What is the benefit of lower primary resistance in these ignition coils?

Lower primary resistance allows the ignition coil to build up magnetic energy faster. This results in a higher energy spark being delivered to the spark plug, promoting more complete combustion.

Can these ignition coils be used in California?

No, these ignition coils are not CARB approved and cannot be shipped to California due to emissions regulations.

Do these ignition coils come as a set?

Yes, the aFe Scorcher High-Performance Ignition Coils are sold as a 4-pack, which is the correct quantity for most 4-cylinder Audi engines.

aFe 17-20 Audi A3 / 15-20 Audi A4 Scorcher High-Performance Ignition Coil (4 Pack)

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aFe 17-20 Audi A3 / 15-20 Audi A4 Scorcher High-Performance Ignition Coil (4 Pack)

Name: aFe 17-20 Audi A3 / 15-20 Audi A4 Scorcher High-Performance Ignition Coil (4 Pack)
Brand: aFe
Price: 232.74 USD
Availability: InStock

$232.74

Worn-out ignition coils cause misfires and poor performance. This aFe Scorcher Ignition Coil set is a direct replacement that boosts spark energy.

Key Features

Higher spark energy — Delivers up to 20% more spark energy than factory coils for improved combustion.
Lower primary resistance — Helps create a high-energy spark for consistent performance.
Direct replacement — Fits your factory ignition system without modification.
Maintains performance at high RPM — Keeps up with engine demands at higher RPM ranges and wide-open throttle.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Will this fit your vehicle?

Compatible with 115 vehicles

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Since 1957

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Product Details

Upgrade your vehicle’s ignition system with aFe POWER SCORCHER High-Performance Ignition Coils – a premium direct replacement for your factory coils. Our high-performance coils have a lower primary resistance than factory units, resulting in a high energy spark that ensures complete combustion from idle to redline. Experience up to 20% more spark energy compared to your factory coils. SCORCHER Ignition Coils keep the pace with the demands of higher RPM ranges and at wide-open throttle, always ensuring your ignition system is performing at its best.